Finding the Fourth Proportional to 3,770,128.10, 5,655,192.15 and 2,258,473.70
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Solution
The fourth proportional to 3,770,128.10, 5,655,192.15 and 2,258,473.70 is: 3,387,710.55
Step by Step Solution
- Step 1: Write the proportion equation
3,770,128.10 : 5,655,192.15 = 2,258,473.70 : x - Step 2: Convert to fraction form
3,770,128.10/5,655,192.15 = 2,258,473.70/x - Step 3: Cross multiply
3,770,128.10x = 5,655,192.15 × 2,258,473.70 - Step 4: Simplify right side
3,770,128.10x = 12,772,102,739,221.46 - Step 5: Solve for x
x = 12,772,102,739,221.46/3,770,128.10 - Step 6: Final answer
x = 3,387,710.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.